Audi A6/Allroad/S4 Thermostat Assembly 079121111J

OEM Part #: 079-121-111-J (079121111J)

This page covers one exact OEM part number. Every unit we stocked has sold.

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Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:

Other Thermostat / Thermostat Housing that may fit your vehicle

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Thermostat Housing 06E121111G

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Thermostat Housing 078121121K

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Fits 1998–2005 Audi & Volkswagen
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  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
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Ensure optimal engine performance with this OEM Thermostat Assembly, part number 079121111J. Designed specifically for Audi models including the S4, RS4, A6, and Allroad Quattro from 2004 to 2009, this thermostat plays a critical role in regulating engine temperature. Proper function prevents overheating and promotes efficient combustion, enhancing vehicle longevity. Common issues such as overheating or erratic temperature readings are often resolved by replacing a worn or malfunctioning thermostat. This part is essential for the 4.2L V8 engine, ensuring your vehicle operates as intended. Trust in genuine OEM parts to maintain your Audi’s performance standards.

Specifications

Specifications for Thermostat Assembly 079121111J
Fits Vehicle ModelA6, Allroad, S4
Fits Vehicle MakeAudi
OEM Part No079-121-111-J (079121111J)
Compatible OEM Part No 079-121-111-F
CategoryRadiator / Coolant

Compatible Vehicles

Fits 22 vehicle configurations across 1 make, 2004-2009.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A6 2005-2008 · 4 variants 4 with notes
  • Allroad 2004-2005 · 2 variants
  • S4 2004-2009 · 16 variants
View all 22 vehicle configurations — 4 with fitment notes
Full vehicle fitment list for Thermostat Assembly 079121111J
Year Make Model Trim Engine Note
2004 Audi Allroad Quattro Wagon 4.2L V8
2004 Audi S4 Wagon 4.2L V8
2004 Audi S4 Sedan 4.2L V8
2004 Audi S4 Convertible 4.2L V8
2005 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2005 Audi Allroad Quattro Wagon 4.2L V8
2005 Audi S4 Wagon 4.2L V8
2005 Audi S4 Sedan 4.2L V8
2005 Audi S4 Convertible 4.2L V8
2006 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2006 Audi S4 Wagon 4.2L V8
2006 Audi S4 Sedan 4.2L V8
2006 Audi S4 Convertible 4.2L V8
2007 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2007 Audi S4 Wagon 4.2L V8
2007 Audi S4 Sedan 4.2L V8
2007 Audi S4 Convertible 4.2L V8
2008 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2008 Audi S4 Wagon 4.2L V8
2008 Audi S4 Sedan 4.2L V8
2008 Audi S4 Convertible 4.2L V8
2009 Audi S4 Convertible 4.2L V8

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